What type of mutation has occurred in the following?

Normal allele 5'–GGAAUGAAACAGGAACCC–3'
Mutant allele 5'–GGAAUGAAACAGGUACCC–3'

A. insertion of one base
B. insertion of two bases
C. deletion of one base
D. substitution
E. deletion of two bases


D. substitution

Biology & Microbiology

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During what stages of the cell cycle are sister chromatids bound together by cohesin?  

A.  G1, S, G2 B.  S, G2 C.  G1, S D.  S, G2, prophase, metaphase E.  S, G2, prophase, metaphase, anaphase, telophase

Biology & Microbiology

Which of the following are functions of decomposer fungi? Check all that apply.

_____ breakdown of leaf litter _____ breakdown of wood _____ breakdown of dead animals _____ recycling of essential nutrients _____ breakdown of pathogenic bacteria

Biology & Microbiology

A ?COOH group is a(n) ____ group

a. carboxyl b. hydroxyl c. amine d. methyl e. carbonyl

Biology & Microbiology

The physical removal of microbes is called (antisepsis/degerming/disinfection)

What will be an ideal response?

Biology & Microbiology